Silly putty is stretchy and sticky, and if you're not careful, its ooey-gooey texture can easily get stuck in places you don't want it, like your carpet, couch, and clothes. If you get silly putty ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Welcome to PopSci’s at-home science projects series. On weekdays ...
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